Add 63/24 and 42/15, Solve 2 15/24 + 2 12/15 as a fraction

Add 63/24 and 42/15

1^st number: 2 15/24, 2^nd number: 2 12/15

63/24 + 42/15 is 217/40.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 15 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
63/24 = 63 × 5/24 × 5 = 315/120
Likewise, for the 2nd fraction, since 15 × 8 = 120,
42/15 = 42 × 8/15 × 8 = 336/120
Add the two like fractions:
315/120 + 336/120 = 315 + 336/120 = 651/120
651/120 simplified gives 217/40
So, 63/24 + 42/15 = 217/40
In mixed form: 517/40

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